Finding the Fourth Proportional to 500,477.76, 751,914.28 and 320,914.99
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Solution
The fourth proportional to 500,477.76, 751,914.28 and 320,914.99 is: 482,140.43
Step by Step Solution
- Step 1: Write the proportion equation
500,477.76 : 751,914.28 = 320,914.99 : x - Step 2: Convert to fraction form
500,477.76/751,914.28 = 320,914.99/x - Step 3: Cross multiply
500,477.76x = 751,914.28 × 320,914.99 - Step 4: Simplify right side
500,477.76x = 241,300,562,276.00 - Step 5: Solve for x
x = 241,300,562,276.00/500,477.76 - Step 6: Final answer
x = 482,140.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.